spring WebHandlerDecorator 源码
spring WebHandlerDecorator 代码
文件路径：/spring-web/src/main/java/org/springframework/web/server/handler/WebHandlerDecorator.java
/*
* Copyright 2002-2019 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.web.server.handler;
import reactor.core.publisher.Mono;
import org.springframework.util.Assert;
import org.springframework.web.server.ServerWebExchange;
import org.springframework.web.server.WebHandler;
/**
* {@link WebHandler} that decorates and delegates to another {@code WebHandler}.
*
* @author Rossen Stoyanchev
* @since 5.0
*/
public class WebHandlerDecorator implements WebHandler {
private final WebHandler delegate;
/**
* Create a {@code WebHandlerDecorator} for the given delegate.
* @param delegate the WebHandler delegate
*/
public WebHandlerDecorator(WebHandler delegate) {
Assert.notNull(delegate, "'delegate' must not be null");
this.delegate = delegate;
}
/**
* Return the wrapped delegate.
*/
public WebHandler getDelegate() {
return this.delegate;
}
@Override
public Mono<Void> handle(ServerWebExchange exchange) {
return this.delegate.handle(exchange);
}
@Override
public String toString() {
return getClass().getSimpleName() + " [delegate=" + this.delegate + "]";
}
}
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